Botox for crows feet crows feet are the fan shaped lines and wrinkles that radiate out from the outside corner of the eye crows feet are worsened when smiling laughing or squinting treatment technique the patient sits back on a bed with the backrest up the area is cleaned the skin overlying the muscles to be injected is marked out with a skin marker the exact placing of the injection points are different between people and depends on the muscle action observed when wrinkling the